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Understanding what is on the ARRT RRA exam is crucial step in preparing for the exam. You will need to have an understanding of the testing domain (topics covered) to be sure you are studing the correct information.

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ARRT Registered Radiologist Assistant Exam Blueprint

Understanding the exact breakdown of the ARRT Registered Radiologist Assistant test will help you know what to expect and how to most effectively prepare. The ARRT Registered Radiologist Assistant has multiple-choice questions The exam will be broken down into the sections below:

ARRT Registered Radiologist Assistant Exam Blueprint
Domain Name % Number of
Questions
Patient Communication, Assessment, and Management 18% 16
Drugs and Contrast Materials 15% 13
Anatomy, Physiology, and Pathophysiology 26% 23
Radiologic Procedures 19% 17
Radiation Safety, Radiation Biology, and Fluoroscopic Operation 19% 17
Medical-Legal, Professional, and Governmental Standards 8% 7
Case Studies 4% 4

ARRT Registered Radiologist Assistant - Exam Topics Sample Questions

Which of the following is a risk of antegrade pyelograms?

Correct Answer:
urinoma.


the correct answer to the question, "which of the following is a risk of antegrade pyelograms?" is urinoma. an antegrade pyelogram is a diagnostic imaging technique primarily utilized to visualize the upper urinary system, including the kidneys, ureters, and the area where the ureters enter the bladder. it is particularly useful for identifying obstructions such as kidney stones, blood clots, or tumors within these structures.

during an antegrade pyelogram, a contrast dye is introduced directly into the ureter, the duct by which urine passes from the kidney to the bladder. this is typically achieved by inserting a needle through the skin and into the renal pelvis (the central part of the kidney where urine collects before moving to the ureter). the contrast helps to delineate the anatomy and functionality of the urinary tract on x-ray images, highlighting any obstructions or irregularities.

the procedural risks associated with antegrade pyelograms include bleeding, sepsis, the formation of blood clots, and urinoma. a urinoma is an encapsulated collection of leaked urine that generally occurs due to a disruption in the integrity of the urinary tract. this can happen if the needle or catheter used during the procedure inadvertently damages the ureter or renal pelvis, allowing urine to leak into the surrounding tissue. urinomas can lead to pain, swelling, and infection, and may require further medical intervention to resolve.

other options listed in the question, such as tremors, brain hemorrhage, and paralysis of the lower body, are not typically associated with antegrade pyelograms. these symptoms are more relevant to neurological or extensive systemic conditions and are not direct risks of this specific diagnostic procedure focusing on the urinary tract. therefore, when considering the risks directly linked to antegrade pyelograms, urinoma is the correct answer.

Which of the following is a disorder that causes difficulty for food/liquid to pass into the stomach?

Correct Answer:
achalasia.


the correct answer to the question about a disorder that causes difficulty for food or liquid to pass into the stomach is achalasia.

achalasia is a rare disorder of the esophagus, the tube that carries food from the throat to the stomach. it is characterized by several key issues: the loss of ability to push food down the esophagus (peristalsis) and the inability of the lower esophageal sphincter (les) to relax properly. the les is a muscular ring that controls the passage between the esophagus and the stomach.

the cause of achalasia is not completely understood, but it involves damage to the nerves in the esophagus wall. this damage leads to a reduction in nerve signals, which are necessary for coordinating muscle contractions in the esophagus and for the relaxation of the les. without these coordinated movements, passing food into the stomach becomes difficult.

symptoms of achalasia include difficulty swallowing (dysphagia), regurgitation of food, chest pain, and weight loss. the difficulty in swallowing both solids and liquids is a hallmark of this condition. over time, the esophagus may dilate, leading to significant discomfort and further complications.

diagnosis of achalasia typically involves several tests. an esophageal manometry can measure the muscular contractions of the esophagus and the functioning of the les. an x-ray or similar imaging done after swallowing a barium solution (barium swallow) helps visualize the movement of the esophagus and the condition of the les. endoscopy is also commonly used to examine the inside of the esophagus and stomach directly.

treatment options for achalasia aim to relieve symptoms by improving the passage of food and liquid into the stomach. these treatments might include pneumatic dilation, where the les is stretched using a balloon; surgical cutting of the muscles at the les (heller myotomy); or botox injections to temporarily relax the muscles of the les. in some cases, medications that help relax the les might be used, though they are generally less effective.

in comparison, the other conditions listed—crohn’s disease, colitis, and hypothyroidism—do not primarily affect the passage of food through the esophagus into the stomach in the way that achalasia does. crohn’s disease and colitis are inflammatory bowel diseases primarily affecting the intestines, and hypothyroidism is a hormonal disorder which might slow down the digestive process but does not cause mechanical blockage or motility issues in the esophagus.